Race No. 19
Marlboro 500
Presented by Toyota
California Speedway — Fontana, California
October 30 - November 1, 1998
Individual Friday MorningPractice Report
| pos | car | driver | chassis engine tire | laptime | gap to leader | gap to next | mph | km/h | 110% rule |
| 1 | 40 | Adrian Fernandez | 98I/XD/F | 30.877 | 0.000 | 0.000 | 236.564 | 380.714 | n/a |
| 2 | 99 | Greg Moore | 98I/108E/F | 31.089 | -0.212 | -0.212 | 234.951 | 378.117 | n/a |
| 3 | 12 | Jimmy Vasser | 98I/HRK/F | 31.154 | -0.277 | -0.065 | 234.461 | 377.329 | 100.55% |
| 4 | 18 | Mark Blundell | 98I/108E/F | 31.187 | -0.310 | -0.033 | 234.213 | 376.929 | 100.66% |
| 5 | 26 | Paul Tracy | 98I/HRK/F | 31.215 | -0.338 | -0.028 | 234.003 | 376.591 | 100.75% |
| 6 | 1 | Alex Zanardi | 98I/HRK/F | 31.218 | -0.341 | -0.003 | 233.980 | 376.555 | 100.76% |
| 7 | 17 | Mauricio Gugelmin | 98I/108E/F | 31.220 | -0.343 | -0.002 | 233.965 | 376.531 | 100.77% |
| 8 | 20 | Scott Pruett | 98I/XD/F | 31.227 | -0.350 | -0.007 | 233.913 | 376.446 | 100.79% |
| 9 | 7 | Bobby Rahal | 98I/XD/F | 31.263 | -0.386 | -0.036 | 233.644 | 376.013 | 100.90% |
| 10 | 5 | Gil de Ferran | 98I/HRK/G | 31.309 | -0.432 | -0.046 | 233.300 | 375.460 | 101.05% |
| 11 | 27 | Dario Franchitti | 98I/HRK/F | 31.314 | -0.437 | -0.005 | 233.263 | 375.401 | 101.07% |
| 12 | 6X | Michael Andretti | 009.c/XD/G | 31.326 | -0.449 | -0.012 | 233.174 | 375.257 | 101.11% |
| 13 | 8 | Bryan Herta | 98I/XD/F | 31.357 | -0.480 | -0.031 | 232.943 | 374.886 | 101.21% |
| 14 | 11X | Christian Fittipaldi | 009.c/XD/G | 31.651 | -0.774 | -0.294 | 230.779 | 371.404 | 102.16% |
| 15 | 3 | Andre Ribeiro | P98/108E/G | 31.741 | -0.864 | -0.090 | 230.125 | 370.350 | 102.45% |
| 16 | 2 | Al Unser Jr. | P98/108E/G | 31.748 | -0.871 | -0.007 | 230.074 | 370.269 | 102.47% |
| 17 | 10X | Richie Hearn | 009.c/XD/F | 31.793 | -0.916 | -0.045 | 229.749 | 369.745 | 102.62% |
| 18 | 24 | Robby Gordon | 98I/RV8C/F | 31.807 | -0.930 | -0.014 | 229.648 | 369.582 | 102.66% |
| 19 | 16 | Helio Castro-Neves (R) | 98I/108E/G | 31.844 | -0.967 | -0.037 | 229.381 | 369.153 | 102.78% |
| 20 | 9X | JJ Lehto (R) | 98I/108E/F | 31.874 | -0.997 | -0.030 | 229.165 | 368.805 | 102.88% |
| 21 | 36 | Alex Barron (R) | EA/RV8C/G | 31.901 | -1.024 | -0.027 | 228.971 | 368.493 | 102.96% |
| 22 | 33 | Patrick Carpentier | 98I/108E/F | 31.961 | -1.084 | -0.060 | 228.541 | 367.801 | 103.16% |
| 23 | 9 | JJ Lehto (R) | 98I/108E/F | 32.043 | -1.166 | -0.082 | 227.956 | 366.860 | 103.42% |
| 24 | 25 | Max Papis | 98I/RV8C/F | 32.155 | -1.278 | -0.112 | 227.162 | 365.582 | 103.78% |
| 25 | 10 | Richie Hearn | 009.c/XD/F | 32.184 | -1.307 | -0.029 | 226.957 | 365.253 | 103.88% |
| 26 | 19 | Michel Jourdain Jr. | 98I/XD/F | 32.234 | -1.357 | -0.050 | 226.605 | 364.686 | 104.04% |
| 27 | 21X | Tony Kanaan (R) | 98I/HRK/F | 32.253 | -1.376 | -0.019 | 226.472 | 364.471 | 104.10% |
| 28 | 7X | Bobby Rahal | 98I/XD/F | 32.263 | -1.386 | -0.010 | 226.402 | 364.358 | 104.13% |
| 29 | 3X | Andre Ribeiro | P98/108E/G | 32.455 | -1.578 | -0.192 | 225.062 | 362.203 | 104.75% |
| 30 | 77X | Arnd Meier | 97I/XD/G | 32.497 | -1.620 | -0.042 | 224.772 | 361.735 | 104.89% |
| 31 | 5X | Gil de Ferran | 98I/HRK/G | 32.512 | -1.635 | -0.015 | 224.668 | 361.568 | 104.94% |
| 32 | 21 | Tony Kanaan (R) | 98I/HRK/F | 32.558 | -1.681 | -0.046 | 224.350 | 361.057 | 105.08% |
| 33 | 25X | Max Papis | 98I/RV8C/F | 32.672 | -1.795 | -0.114 | 223.568 | 359.797 | 105.45% |
| 34 | 24X | Robby Gordon | 98I/RV8C/F | 32.718 | -1.841 | -0.046 | 223.253 | 359.291 | 105.60% |
| 35 | 36X | Alex Barron (R) | EA/RV8C/G | 32.812 | -1.935 | -0.094 | 222.614 | 358.262 | 105.90% |
| 36 | 98X | Vincenzo Sospiri | EA/RV8C/G | 32.897 | -2.020 | -0.085 | 222.038 | 357.336 | 106.18% |
| 37 | 11 | Christian Fittipaldi | 009.c/XD/G | 33.764 | -2.887 | -0.867 | 216.337 | 348.161 | 108.98% |
| 38 | 34 | Dennis Vitolo | 98I/XD/F | 34.618 | -3.741 | -0.854 | 211.000 | 339.572 | 111.73% |
| 39 | 77 | Arnd Meier | 97I/XD/G | 35.037 | -4.160 | -0.419 | 208.477 | 335.511 | 113.09% |
| 40 | 8X | Bryan Herta | 98I/XD/F | 38.435 | -7.558 | -3.398 | 190.046 | 305.849 | 124.05% |
| 41 | 6 | Michael Andretti | 009.c/XD/G | 58.291 | -27.414 | -19.856 | 125.309 | 201.666 | 188.14% |